1 #include <stdio.h>
2 #include <string.h>
3 #include <netinet/in.h>
4 #include <arpa/nameser.h>
5 #include <resolv.h>
6 #include <pthread.h>
7
fn(void * arg)8 void* fn(void* arg)
9 {
10 char* dn = (char*)arg;
11
12 unsigned char buff[8000];
13
14 if(-1 == res_search(dn, 1, 1, buff, 8000))
15 {
16 printf("Error: res_search()\n");
17 }
18 else
19 {
20 printf("Success!\n");
21 }
22 return 0;
23 }
24
main(int argc,char ** argv)25 int main(int argc, char** argv)
26 {
27 pthread_t pid;
28 if(2 != argc)
29 {
30 printf("Usage: %s <domain>\n", argv[0]);
31 return 1;
32 }
33
34 _res.options |= RES_DEBUG;
35 if(0 != res_init())
36 {
37 printf("Error: res_init()\n");
38 return(1);
39 }
40 #if 1
41 /* Test it in a different thread -- the failure case */
42 if(0 != pthread_create(&pid, 0, fn, (void*)argv[1]))
43 {
44 printf("Failed to create thread.\n");
45 return 1;
46 }
47
48 pthread_join(pid, 0);
49 #else
50 {
51 unsigned char buff[8000];
52
53 if(-1 == res_search(argv[1], 1, 1, buff, 8000))
54 {
55 printf("Error: res_search()\n");
56 }
57 else
58 {
59 printf("Success!\n");
60 }
61 }
62 #endif
63 return 0;
64 }
65
66
67